/*
 *    FileExtensionFilter.java
 *    Copyright (C) 2007 University of Waikato, Hamilton, New Zealand
 *    @author Richard Kirkby (rkirkby@cs.waikato.ac.nz)
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package moa.gui;

import java.io.File;

import javax.swing.filechooser.FileFilter;

public class FileExtensionFilter extends FileFilter {

	protected String fileExtension;

	public FileExtensionFilter(String extension) {
		this.fileExtension = extension.toLowerCase();
	}

	@Override
	public boolean accept(File f) {
		if (f != null) {
			if (f.isDirectory()) {
				return true;
			}
			return (f.getName().toLowerCase()
					.endsWith("." + this.fileExtension));
		}
		return false;
	}

	@Override
	public String getDescription() {
		return ("*." + this.fileExtension);
	}

}
